Reasons to choose PowerShot A700
Released in 2006, PowerShot A700 has about 25 mm² of sensor area, 6 MP effective resolution, and a 250 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon PowerShot A700
vs Canon PowerShot SD20
VS
Sensor area
25 mm²
PowerShot A70025 mm²
PowerShot SD20- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The PowerShot A700 and PowerShot SD20 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
PowerShot A700MetricPowerShot SD20
6 MPEffective pixels5 MP
5.75 × 4.32Sensor5.75 × 4.32
2.03 µmPixel pitch2.23 µm
4.14 µm²Pixel area4.97 µm²
24.15 MP/cm²Pixel density20.13 MP/cm²
6.02Crop factor6.02
—Maximum video—
250 gWeight140 g
SD/MMC cardStorageSD/MMC card
AA (2) batteries (NiMH recommended)BatteryLithium-Ion NB-3L battery Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The PowerShot A700 and PowerShot SD20 have the same sensor area. The PowerShot SD20 has the lighter body. The PowerShot A700 has the higher effective resolution. The PowerShot A700 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose PowerShot SD20
Released in 2004, PowerShot SD20 has about 25 mm² of sensor area, 5 MP effective resolution, and a 140 g body. Use these values to narrow the field, not as an overall image-quality score.